package main

import (
	"fmt"
	create_module "implements.fun/greetings"
	"log"
	"math"
)

func main() {

	hello_ok, err := create_module.Hello_ok("Lucy")
	if err != nil {
		log.Println(err)
		//log.Fatal(err)
	}
	fmt.Println(hello_ok)

	fmt.Println(math.MaxInt64)

	//Hello()
	sayHello()
	SayHello()

}

// 包内调用者可以访问
func sayHello() {
	fmt.Println("this is private hello function")
}

// SayHello 同时可以包外访问
func SayHello() {
	fmt.Println("this is public hello function")
}
